Frame or chassis ground terminal —typi-
cally connects to the equipment’s metal
frame.
Alternating current (AC).
Direct current (D C).
Indicates hazardous voltages.
Calls attention to a procedure, pr actice, or
condition that could cause bodil y i nj ury or
death.
Calls attention to a procedure, pr actice, or con-
dition that could possibly cause damage to
equipment or permanent loss of dat a.
Indicates the field wiring termin al that must
be connected to earth ground before operat-
ing the equipment—protects against electri-
cal shock in case of fault.
Instruction manual symbol affixed to prod-
uct. Indicates that the user mus t refer to the
manual for specific WARNING or CAU-
TION information to avoid perso nal injury
or damage to the product.
or

WARNINGS

The following general safety precautions mus t be obse rv ed during all phases of operation, service, and repai r of this product.
Failure to comply with these prec autions or with specific warnings else w h e re in this manual violates safety standard s of d es ig n ,
manufacture, and intended use of the product. Agilent Technologies assumes no liability for the customer’s failure to comply
with these requiremen ts .
Ground the equipment: For Safety Class 1 eq ui pm ent (equipment having a protective earth terminal), an uninterruptible safety earth
ground must be provided from the main s power source to the product input wiring term i nal s or supplied power cable.
DO NOT operate the produc t i n an e x pl osive atmosphere or in the pres ence of flammable gases or fume s.
For continued protection again st fire, replace the line fuse(s) only with f use(s) of the same voltage and current rating and type.
DO NOT use repaired fuses or short-c i rc uited fuse holders.
Keep away from li ve circuits: Operating personnel must not remove equipment covers or shields. Procedures involving the removal
of covers or shields are for use by service- t ra ined personnel only. Under certain cond iti ons, dangerous voltages may exist even with the
equipment switched off. To avoid da ngerous electrical shock, DO NOT pe rf orm pr ocedures involving cover or shield remo val unl ess
you are qualified to do so.
DO NOT operate damaged equipment: Whenev er it i s possible that the safety protection feat ur es built into this product have been im-
paired, either through physical da m age, excessive moisture, or any other re as on, R E M O V E PO WER and do not use the product until
safe operation can be verified by serv ic e-trained personnel. If necessary, ret ur n t he product to an Agilent Technologies Sal es and Serv-
ice Office for s ervice and repair to ensu re that safety features ar e maintained.
DO NOT service or adjust alone: Do not at te mpt internal service or adjustment unl ess another person, capable of render in g firs t aid
and resuscitation, is present.
DO NOT substitute parts or modify equipment: Because of the danger of introducing additional haz ards, do not install substitute
parts or perform any unauthorized modification to the product. Return the pr oduct to an Agilent Technologies Sales and Service Office
for service and repair to ensure that saf ety features are maintain ed.

Printing History

The Printing History shown below lists al l Editions and Updates of this manual and the printing date(s). The first printing of the man-
ual is Edition 1. The Edition numb er increments by 1 whenever the manual is revised. Upd ates, which are issued between Editions,
contain replacement pages to corre ct the current Edition of the manual. Updates are nu mbered sequentially starting with Update 1.
When a new Edition is created, it co ntains all the Update information for the previou s Edition. Each new Edition or Update also in-
cludes a revised copy of this printin g hi st or y page. Many product updates or revisions do not re qui re manual changes and, conversely,
manual corrections may be don e w i thout accompanying product changes. Therefore, do not expect a one-to-one correspondence be-
tween product updates and manual updates.
Edition 1 (Part Number E1445-90010). . . . . . . . . . . . . . . . . . . . September 1992
Edition 2 (Part Number E1445-90011). . . . . . . . . . . . . . . . . . . . September 1996

Safety Symbols

WARNING

CAUTION

4 Agilent E1445A Serv i ce Manual